JP6719519B2 - Carrying bag - Google Patents

Description

The present invention relates to a backpack bag.

Conventionally, a backpack bag provided with a backpack belt that fits the user's body when the user carries the backpack bag has been proposed. For example, Japanese Patent No. 4858833 (Patent Document 1) describes a backpack bag that allows the backpack belt to fit the user's body by deforming the shape of the resin shape-retaining tape provided on the backpack belt. Has been done. In the backpack bag described in this publication, the upper end of the backpack belt is connected to the belt attachment arranged at the back of the storage portion via the connecting ring. The resin shape-retaining tape is arranged in a portion of the backpack belt that contacts the user's shoulder and chest.

Japanese Patent No. 4858833

However, in the backpack bag described in the above publication, since the backpack belt is connected to the belt mounting tool via the connecting ring, the resin shape holding tape is arranged between the belt mounting tool and the backpack belt. Absent. Therefore, between the belt attachment and the backpack belt, the backpack belt cannot be fitted to the user's body by the resin shape holding tape. For this reason, it is difficult to fit the backpack belt to the user's body sufficiently.

The present invention has been made in view of the above problems, and an object thereof is to provide a backpack bag that allows the backpack belt to be sufficiently fitted to the user's body.

A backpack according to the present invention includes a storage section, a belt attachment attached to the storage section, and a backrest belt attached to the belt attachment. The backpack belt includes a shape-retaining member that is freely plastically deformable. The belt attachment has an attachment portion attached to the upper end of the back portion of the accommodating portion, and a pair of connecting bodies protruding upward from the attachment portion. An insertion portion is provided at the upper end of the connecting body. The insertion portion has an opening and a peripheral wall surrounding an internal space communicating with the opening. The upper end of the backpack belt is inserted into the internal space through the opening of the insertion portion from above to below. The shape-retaining member is arranged at the upper end of the backpack belt and is inserted into the internal space of the insertion portion. The upper end of the backpack belt is fixed to the connecting body by rivets in a state where the upper end of the backpack belt is inserted into the insertion portion. The rivet is inserted into a through hole provided in the shape retaining member. The shape-retaining member is fixed to the belt mount in a state of facing upward from the belt mount and is configured to stand up from the belt mount along the shoulder of the user.

According to the backpack of the present invention, the shape retaining member is fixed to the belt attachment and is configured to stand up from the belt attachment along the shoulder of the user. Therefore, the shape-retaining member can hold the backpack belt so as to stand up from the belt attachment along the shoulder of the user. Therefore, the back belt can be sufficiently fitted to the user's body.

It is a schematic front view of the backpack in one embodiment of the present invention. It is a schematic side view of the backpack bag in one embodiment of the present invention. It is a fragmentary sectional view for explaining the state where the backpack belt was attached to the belt attachment in one embodiment of the present invention. FIG. 4 is a partial front view for explaining the shape of the backpack belt attached to the belt attachment according to the embodiment of the present invention. 1 is a schematic side view showing a state in which a backpack according to an embodiment of the present invention is carried by a user.

An embodiment of the present invention will be described below with reference to the drawings. The backpack according to the present embodiment is applicable to various backpacks such as school bags and rucksacks. In the following, the backpack according to the present embodiment will be described based on a school bag as an example. Further, in the following, the same or corresponding portions will be denoted by the same reference numerals, and overlapping description will not be repeated.

First, the structure of the backpack according to the present embodiment will be described.
With reference to FIG. 1 and FIG. 2, a backpack bag 100 according to the present embodiment includes a storage part 1, a lid part 2, a pair of backpack belts 3, a belt attachment 4, a connecting member 5, and a reflective tack. 20 and mainly. In order to make the backpack belt 3 easy to see, one backpack belt 3 is shown, the other backpack belt 3 is not shown, and the reflective tack 20 is not shown in FIG.

The storage part 1 has a back part 1a, a bottom part 1b, a front part 1c, and a pair of side parts 1d. The back portion 1a is a portion facing the back of the user when the user carries the bag 100 on his back. The bottom portion 1b is a portion that constitutes the bottom of the storage portion 1. The front portion 1c is a portion facing the back portion 1a. The pair of side portions 1d are portions arranged on the left and right sides of the back portion 1a and the front portion 1c, respectively.

The storage part 1 has an opening at the upper end. The storage unit 1 has an internal space communicating with the opening. The internal space is a space surrounded by the inner peripheral surfaces of the back portion 1a, the bottom portion 1b, the front portion 1c, and the pair of side portions 1d. The storage unit 1 is configured to store a textbook or the like in the internal space through the opening. The lid portion 2 is connected to the upper end of the back portion 1a of the storage portion 1, and is configured such that the opening portion can be opened and closed with the upper end of the back portion 1a as the base end.

The backpack belt 3 is configured to be worn at least on the shoulder of the user when the user carries the backpack 100 on his back. The pair of backpack belts 3 are connected to the back portion 1a of the storage portion 1 via belt attachments 4, respectively. The upper end of each of the pair of backpack belts 3 is attached to the belt attachment 4. The pair of backpack belts 3 are connected to the bottom portion 1b of the storage portion 1 via the connecting members 5, respectively. The lower ends of the pair of backpack belts 3 are attached to the connecting member 5.

Each of the pair of backpack belts 3 mainly has an upper belt 3a, a lower belt 3b, a buckle 3c, a cover member 3d, an annular member 3e, and a shape retaining member 10. The upper belt 3a is provided with a plurality of belt holes 3a1. The upper end of the upper belt 3a is attached to the belt attachment 4. The lower end of the lower belt 3b is attached to the connecting member 5.

The upper belt 3a and the lower belt 3b are connected by a buckle 3c. The buckle 3c allows the length of the back belt 3 to be adjusted. The buckle 3c has a pin 3c1 and a buckle body 3c2. The buckle 3c is attached to the upper end of the lower belt 3b. The buckle 3c is configured so that the pin 3c1 is locked in the belt hole 3a1 with the upper belt 3a inserted through the buckle body 3c2.

The cover member 3d is configured so that the upper belt 3a can be inserted therethrough. The cover member 3d is arranged between the upper belt 3a and the buckle body 3c2 with the upper belt 3a being inserted therethrough. The annular member 3e is attached to the lower belt 3b. The annular member 3e is configured so that the upper belt 3a connected to the lower belt 3b by the buckle 3c can be inserted therethrough.

In the case of a ricksack or the like, the backpack belt 3 may be composed of a single belt-shaped belt.

The shape retaining member 10 is arranged on the upper belt 3a. The shape retaining member 10 is configured to be freely plastically deformable. That is, the shape-retaining member 10 can be plastically deformed, can retain the plastically deformed state, and can be further plastically deformed from the once plastically deformed state. In this way, the shape retaining member 10 is configured to be repeatedly plastically deformable.

Specifically, the shape-retaining member 10 is configured so that it can be bent at an arbitrary angle when it is bent by fingers, and can hold its shape almost as it is until a bending force at a different bending angle is applied. There is. The shape-retaining member 10 may be plastic-deformable synthetic resin having shape-retaining property. The shape-retaining member 10 may be a synthetic resin obtained by stretching polyolefin at a high ratio in a uniaxial direction.

The belt attachment 4 is for attaching the backpack belt 3 to the storage unit 1. The belt attachment 4 is attached to the storage unit 1. The belt attachment 4 is attached to the upper end of the back portion 1a of the storage unit 1. The belt mounting tool 4 mainly has a mounting portion 4a and a pair of connecting bodies 4b.

The attachment portion 4a is attached to the upper end portion of the back portion 1a of the storage portion 1. The mounting portion 4a is covered with the outer skin of the back portion 1a. A pair of connecting bodies 4b is attached to the attaching portion 4a. The pair of connecting bodies 4b projects upward from the mounting portion 4a. The pair of connecting bodies 4b is exposed from the outer skin of the back portion 1a. The pair of connecting bodies 4b may be configured to be swingable in directions facing each other. The upper ends of the pair of backpack belts 3 are attached to the upper ends of the pair of connecting bodies 4b.

The connecting member 5 is for attaching the backpack belt 3 to the storage unit 1 together with the belt attachment 4. The pair of connecting members 5 are attached to the bottom portion 1b of the storage unit 1. The lower ends of the pair of backpack belts 3 are attached to the pair of connecting members 5.

The reflective tack 20 is attached to the back belt 3. The reflective tack 20 is attached to the back belt 3 so as to penetrate the shape retaining member 10. The reflective tack 20 is arranged on the surface of the backpack belt 3.

The reflective tack 20 has a tack body 21 and a light reflecting member 22. A light reflection member 22 is attached to the tack body 21. The light reflecting member 22 is exposed from the tack body 21. The light reflecting member 22 is configured to generate reflected light when illuminated by a light such as an automobile. Further, the eggplant ring 23 or the D ring 24 may be attached to the reflective tack 20.

The reflective tack 20 is arranged so as to overlap the shape retaining member 10. The reflective tack 20 is arranged so as to overlap the shape retaining member 10 in the thickness direction of the backpack belt 3. It suffices that at least a part of the reflective tack 20 is arranged so as to overlap the shape retaining member 10. That is, the shape-retaining member 10 has only to be positioned below at least a part of the reflective tack 20.

The state in which the backpack belt 3 is attached to the belt attachment 4 will be described in more detail with reference to FIGS. 1 and 3. FIG. 3 is a partial cross-sectional view showing a state in which the upper end portion of the backpack belt 3 is fixed to the connecting body 4b of the belt attachment tool 4. FIG. 3 shows a cross section of the upper end of each of the connecting body 4 b and the backpack belt 3.

The shoulder belt 3 has a belt body portion 30. The shape retaining member 10 is arranged inside the belt body portion 30. The belt body portion 30 has an upper layer portion 31 and a lower layer portion 32. The shape retaining member 10 is sandwiched between the upper layer portion 31 and the lower layer portion 32. In a state where the shape retaining member 10 is sandwiched between the upper layer portion 31 and the lower layer portion 32, both side portions of the upper layer portion 31 and the lower layer portion 32 are sewn to each other.

An insertion portion 4c is provided at the upper end of the connecting body 4b of the belt attachment tool 4. The insertion portion 4c has an opening 4c1 and a peripheral wall 4c3 surrounding an internal space 4c2 communicating with the opening 4c1. The upper end of the backpack belt 3 is inserted into the internal space 4c2 from the opening 4c1 of the insertion portion 4c from above to below. That is, the upper end of the backpack belt 3 is surrounded by the peripheral wall 4c3 of the insertion portion 4c. The shape-retaining member 10 is arranged at the upper end of the backpack belt 3 and is inserted into the internal space 4c2 of the insertion portion 4c.

With the upper end of the backpack belt 3 inserted in the insertion portion 4c, the upper end of the backpack belt 3 is fixed to the connecting body 4b by the rivets 4d. The rivet 4d is inserted into a through hole H1 provided in the shape maintaining member 10. The rivet 4d rivets the belt-carrying tool 3 to the backrest belt 3 while penetrating the upper layer portion 31, the shape retaining member 10, and the lower layer portion 32. In this way, the backpack belt 3 is fixed to the belt attachment 4. Further, the shape retaining member 10 is fixed to the belt attachment tool 4.

The backpack belt 3 is configured to stand up from the belt attachment 4 along the shoulder of the user. Further, the shape retaining member 10 is configured to stand up from the belt attachment 4 along the shoulder of the user. The shape-retaining member 10 is fixed to the belt mounting tool 4 while facing upward from the belt mounting tool 4. The shape-retaining member 10 extends at least from the belt attachment 4 to the position of the user's shoulder.

The shape retaining member 10 may be disposed outside the belt body 30 instead of being disposed inside the belt body 30. That is, the shape maintaining member 10 may be arranged on the front surface or the back surface of the belt body portion 30.

The shape of the backpack belt 3 attached to the belt attachment 4 will be described in more detail with reference to FIGS. 1 and 4. FIG. 4 is a partial front view showing the shape of the backpack belt 3 attached to the belt attachment 4. FIG. 4 shows the upper portion of the backpack belt 3 and the belt attachment 4. In order to explain the shape of the backpack belt 3, FIG. 4 shows the backpack belt 3 in a state of extending upward from the belt attachment 4.

The backpack belt 3 is curved so as to project outward from the belt fixture 4 and then curved inward. The backpack belt 3 is configured to meander in an S shape in the width direction of the backpack belt 3. In the portion of the backpack belt 3 where the shape retaining member 10 is inserted, the outer portion is shorter than the inner portion.

The shape retaining member 10 is configured to extend along the belt main body portion 30. The shape-retaining member 10 is curved so as to project outward from the belt fixture 4 and then curves inward. The shape holding member 10 is configured to meander in an S shape in the width direction of the shape holding member 10. The shape retaining member 10 is configured such that the outer side portion is shorter than the inner side portion.

The shape-retaining member 10 has a strip shape. That is, the shape maintaining member 10 is formed in a thin plate shape. The shape retaining member 10 is configured to extend over substantially both ends between the sewn portions on both sides of the belt body 30. A through hole H1 for inserting the rivet 4d is provided at the upper end of the shape maintaining member 10. Further, a through hole H2 for inserting the reflective tack 20 is provided at the lower end of the shape retaining member 10.

A state in which the backpack 100 is carried by the user 200 will be described with reference to FIGS. 1 and 5. In FIG. 5, the user 200 is shown by a chain double-dashed line in order to make it easier to see the backpack belt 3. FIG. 5 does not show the reflective tack and the eggplant ring for the sake of easy understanding of the shape-retaining member 10.

The shape retaining member 10 is configured to stand up along the shoulder 201 of the user 200 from the belt attachment 4. The shape retaining member 10 extends from the belt attachment 4 to a position along the chest 202 of the user 200. The shape-retaining member 10 extends from the belt attachment 4 through a position along the shoulder 201 of the user 200 to a position along the chest 202 of the user 200. The shape retaining member 10 is curved so as to follow the shape of the shoulder 201 of the user 200. The shape holding member 10 is arranged so as to cover the shoulder 201 of the user 200 when the user 200 carrying the backpack 100 is viewed from above.

The shape-retaining member 10 is fixed to the belt attachment 4, and is configured to stand up from the belt attachment 4 along the shoulder 201 of the user 200. Therefore, by bending the shape-retaining member 10 so that the backpack belt 3 is along the shoulder 201 of the user 200, when the user 200 carries the backpack 100, the center of gravity of the backpack 100 is set to the user's 200. It is possible to set it at a high position while approaching the center of gravity of the body. This allows the user 200 to feel the backpack 100 lightly. Furthermore, before the user 200 carries the backpack 100 on his back, the backpack belt 3 can be deformed into a shape along the body, so that the pair of backpack belts 3 can be prevented from opening. That is, it is possible to prevent the width L (see FIG. 1) between the pair of backpack belts 3 located at the uppermost part of the shoulder 201 of the user 200 (see FIG. 1) from expanding as the backpack bag 100 is used.

Further, when the user 200 carries the backpack 100 on his back, the backpack 100 can be tilted toward the shoulder 201 of the user 200. That is, the center line of the storage unit 1 indicated by the alternate long and short dash line B in FIG. 5 can be inclined toward the shoulder 201 of the user 200 with respect to the vertical direction indicated by the alternate long and short dash line A in FIG. That is, the backpack 100 can be tilted forward. This makes it easy for the user 200 to keep the posture of the body close to the vertical direction, so that the physical burden on the user 200 can be reduced. If the backpack 100 is tilted away from the shoulder 201 of the user 200, the user 200 tries to keep his/her body posture vertical by projecting his/her head and neck to the opposite side of the backpack 100. Therefore, the burden on the neck and shoulders of the user 200 increases due to the backpack 100. As described above, the backpack bag 100 in the present embodiment inclines toward the shoulder 201 of the user 200 when the user 200 carries the backpack bag 100 on his back. For this reason, the user 200 can easily maintain the posture of the body in a state in which the posture is close to the vertical direction. Therefore, the backpack 100 reduces the physical burden on the neck and shoulders of the user 200.

Next, the function and effect of the backpack bag 100 in the present embodiment will be described.
According to the backpack bag 100 in the present embodiment, the shape retaining member 10 is fixed to the belt attachment 4, and is configured to stand up from the belt attachment 4 along the shoulder 201 of the user 200. For this reason, the backpack belt 3 can be held by the shape holding member 10 so as to stand up from the belt attachment 4 along the shoulder 201 of the user 200. That is, since the shape retaining member 10 is fixed to the belt mounting tool 4, the backpack belt 3 can be fitted to the shoulder 201 of the user 200 immediately from the belt mounting tool 4. Further, since the shape-retaining member 10 is configured to stand up from the belt attachment 4 along the shoulder 201 of the user 200, the backpack belt 3 is set up so as to stand up from the belt attachment 4 along the shoulder 201 of the user 200. Can be held. Therefore, the backpack belt 3 can be sufficiently fitted to the body of the user 200.

Therefore, when the user 200 carries the backpack 100, the center of gravity of the backpack 100 can be brought close to the center of gravity of the body of the user 200 and set at a high position. This allows the user 200 to feel the backpack 100 lightly. Further, when the user 200 carries the backpack 100, the backpack 100 inclines toward the shoulder 201 of the user 200, so that the backpack 100 does not impose a physical burden on the neck and shoulders of the user 200. Can be reduced.

Further, since the shape of the backpack belt 3 can be deformed by deforming the shape maintaining member 10, the shape of the backpack belt 3 can be deformed according to the change of the body shape of the user 200. As a result, it is possible to flexibly respond to changes in the body shape of the user 200. That is, when the body shape of the user 200 changes with growth, the shape of the backpack belt 3 is changed according to the body shape of the user 200, so that the backpack belt 3 is sufficiently fitted to the body of the user 200. be able to.

According to the backpack bag 100 in the present embodiment, the shape-retaining member 10 is curved so as to protrude outward from the belt attachment 4 and then curves inward. Therefore, it becomes easy to arrange the shape retaining member 10 from the shoulder 201 of the user 200 through the chest 202 and along the side. Therefore, the backpack belt 3 can be arranged along the shoulder 201, the chest 202, and the sides of the user 200 in a three-dimensional manner. Therefore, the backpack belt 3 can be further fitted to the body of the user 200.

According to the backpack bag 100 in the present embodiment, the shape retaining member 10 extends from the belt attachment 4 to a position along the chest 202 of the user 200. Therefore, the shoulder belt 3 can be fitted to the body of the user 200 from the shoulder 201 to the chest 202 of the user 200. Therefore, the backpack belt 3 can be further fitted to the body of the user 200.

According to the backpack 100 in the present embodiment, the reflective tack 20 is arranged so as to overlap the shape retaining member 10. Therefore, the shape of the backpack belt 3 can be deformed while holding the reflective tack 20. Therefore, it becomes easy to deform the backpack belt 3.

The embodiments disclosed this time are to be considered as illustrative in all points and not restrictive. The scope of the present invention is shown not by the above description but by the scope of the claims, and is intended to include meanings equivalent to the scope of the claims and all modifications within the scope.

1 storage part, 1a back part, 1b bottom part, 1c front part, 1d side part, 2 lid part, 3 back belt, 3a upper belt, 3b lower belt, 3c buckle, 3d cover member, 3e annular member, 4 belt attachment, 4a attachment part, 4b connection body, 4c insertion part, 4d rivet, 5 connection member, 10 shape retention member, 20 reflective tack, 30 belt main body part, 31 upper layer part, 32 lower layer part, 100 backpack, 200 user.

Claims (4)

With storage
A belt fixture attached to the storage section,
A back strap attached to the belt attachment,
The backpack belt includes a shape-retaining member that is freely plastically deformable,
The shape-retaining member is configured in a thin plate shape,
The belt attachment includes an attachment portion attached to an upper end portion of a back portion of the storage portion, and a pair of connecting bodies protruding upward from the attachment portion,
An insertion portion is provided at the upper end of the connecting body,
The insertion portion has an opening and a peripheral wall surrounding an internal space communicating with the opening,
The upper end portion of the backpack belt is inserted from the opening of the insertion portion into the internal space from above to below, and is surrounded by the peripheral wall of the insertion portion,
The shape-retaining member is arranged at the upper end portion of the backpack belt and is inserted into the internal space of the insertion portion,
In a state where the upper end portion of the backpack belt is inserted into the insertion portion, the upper end portion of the backpack belt is fixed to the connecting body by rivets,
The rivet is inserted into a through hole provided in the shape retaining member,
The shape-retaining member is fixed to the belt attachment in a state of being directed upward from the belt attachment, and is configured to stand up from the belt attachment along a user's shoulder. .. The backpack according to claim 1, wherein the shape-retaining member is curved so as to protrude outward from the belt attachment and then curves so as to protrude inward. The backpack according to claim 1 or 2, wherein the shape retaining member extends from the belt attachment to a position along the chest of the user. Further comprising a reflective tack attached to the back belt,
The backpack according to any one of claims 1 to 3, wherein the reflective tack is arranged so as to overlap the shape retaining member.

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